Finding the Third Proportional to 1,515,080 and 3,240,292

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,080 : 3,240,292 = 3,240,292 : x
2. Step 2: Convert to fraction form
   1,515,080/3,240,292 = 3,240,292/x
3. Step 3: Cross multiply
   1,515,080x = 3,240,292 × 3,240,292
4. Step 4: Simplify right side
   1,515,080x = 10,499,492,245,264
5. Step 5: Solve for x
   x = 10,499,492,245,264/1,515,080
6. Step 6: Final answer
   x = 6,929,991.98